ZIP Code 57439
Ferney · Brown, South Dakota
57439 is the ZIP code of Ferney in Brown, South Dakota, United States.
- ZIP Code
- 57439
- County
- Brown
- State
- South Dakota
- Country
- United States
Place with ZIP code 57439
| Place | County | Location |
|---|---|---|
| Ferney | Brown | 45.329, -98.084 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 57439?
Ferney.
Which county and state is 57439 in?
Brown, South Dakota, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.